From Kabul to Kandahar and all points across the rugged and unruly country of Afghanistan, U.S. troops and their allies are engaged in an intractable war that's now in its 10th year. Dispatches: Af/Pak is a daily blog that tries to make sense of what's happening on this uneasy ground. Dispatches: Af/Pak also looks at the important role Pakistan plays in the conflict.